Dahua NVR52-4KS2 SERIES User Manual

Step 3 Click Update now to update the system.
5.19.4.4.3 Uboot Upgrading
●
Under the root directory in the USB storage device, there must be "u-boot.bin.img" le and
"update.img" le saved, and the USB storage device must be in FAT32 format.
●
Make sure the USB storage device is inserted; otherwise the upgrading cannot be performed.
When starting the Device, the system automatically checks whether there is a USB storage device
connected and any upgrade le, and if yes and the check result of the upgrade le is correct, the
system will upgrade automatically. The Uboot upgrade can avoid the situation that you have to
upgrade through +TFTP when the Device is halted.
5.19.4.5 Intelligent Diagnosis
When exception occurs, export data to check details
Background Information
Select Maintenance Center > Intelligent Diagnosis.
Figure 5-326 Intelligent diagnosis
5.20 USB Device Auto Pop-up
After you inserted the USB device, system can auto detect it and pop up the following dialogue
box. It allows you to conveniently backup le, log, conguration or update system.
You can add a USB keyboard through USB port, and it can input characters limited to soft keyboard.
User's Manual
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Dahua NVR52-4KS2 SERIES Specifications

General

Brand	Dahua
Model	NVR52-4KS2 SERIES
Category	Network Hardware
Language	English